Gene description for ARHGEF2
Gene name Rho/Rac guanine nucleotide exchange factor (GEF) 2
Gene symbol ARHGEF2
Other names/aliases GEF
GEF-H1
GEFH1
LFP40
P40
Species Homo sapiens
 Database cross references - ARHGEF2
ExoCarta ExoCarta_9181
Entrez Gene 9181
HGNC 682
MIM 607560
UniProt Q92974  
 ARHGEF2 identified in exosomes derived from the following tissue/cell type
Thymus 23844026    
 Gene ontology annotations for ARHGEF2
Molecular Function
    Rho GTPase binding GO:0017048 IDA
    Rho guanyl-nucleotide exchange factor activity GO:0005089 IDA
    zinc ion binding GO:0008270 NAS
    protein binding GO:0005515 IPI
    Rac GTPase binding GO:0048365 IDA
    transcription factor binding GO:0008134 ISS
    microtubule binding GO:0008017 IDA
    Rac guanyl-nucleotide exchange factor activity GO:0030676 IDA
Biological Process
    positive regulation of NF-kappaB transcription factor activity GO:0051092 IDA
    positive regulation of tumor necrosis factor production GO:0032760 IDA
    apoptotic signaling pathway GO:0097190 TAS
    small GTPase mediated signal transduction GO:0007264 TAS
    positive regulation of interleukin-6 production GO:0032755 IDA
    cellular response to muramyl dipeptide GO:0071225 IDA
    regulation of small GTPase mediated signal transduction GO:0051056 TAS
    cell morphogenesis GO:0000902 IMP
    negative regulation of intrinsic apoptotic signaling pathway in response to osmotic stress GO:1902219 ISS
    positive regulation of GTPase activity GO:0043547 IEA
    positive regulation of transcription from RNA polymerase II promoter GO:0045944 IDA
    regulation of cell proliferation GO:0042127 TAS
    regulation of Rho protein signal transduction GO:0035023 NAS
    negative regulation of microtubule depolymerization GO:0007026 IMP
    positive regulation of peptidyl-tyrosine phosphorylation GO:0050731 IDA
    neurotrophin TRK receptor signaling pathway GO:0048011 TAS
    negative regulation of extrinsic apoptotic signaling pathway via death domain receptors GO:1902042 ISS
    innate immune response GO:0045087 IEA
    intracellular protein transport GO:0006886 NAS
    negative regulation of neurogenesis GO:0050768 IEA
    mitotic nuclear division GO:0007067 IEA
    actin filament organization GO:0007015 IMP
    cellular response to tumor necrosis factor GO:0071356 ISS
    cell division GO:0051301 IEA
    positive regulation of apoptotic process GO:0043065 TAS
    cellular hyperosmotic response GO:0071474 ISS
    negative regulation of necroptotic process GO:0060546 ISS
    establishment of mitotic spindle orientation GO:0000132 IEA
Subcellular Localization
    vesicle GO:0031982 IDA
    Golgi apparatus GO:0005794 IEA
    protein complex GO:0043234 IDA
    bicellular tight junction GO:0005923 IEA
    cytoplasm GO:0005737 IDA
    microtubule GO:0005874 IDA
    dendritic shaft GO:0043198 IEA
    cytoskeleton GO:0005856 IDA
    cytoplasmic membrane-bounded vesicle GO:0016023 IEA
    spindle GO:0005819 IEA
    ruffle membrane GO:0032587 IDA
    focal adhesion GO:0005925 IDA
    neuronal cell body GO:0043025 IEA
    cytosol GO:0005829 TAS
 Experiment description of studies that identified ARHGEF2 in exosomes
1
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for ARHGEF2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 YWHAE 7531
Affinity Capture-MS Homo sapiens
2 YWHAQ 10971
Affinity Capture-Western Homo sapiens
3 PAK1  
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
4 RAC1 5879
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
5 RHOA 387
Affinity Capture-MS Homo sapiens
Biochemical Activity Homo sapiens
6 MYC  
Affinity Capture-MS Homo sapiens
7 WASF1 8936
Affinity Capture-Western Homo sapiens
View the network image/svg+xml
 Pathways in which ARHGEF2 is involved
PathwayEvidenceSource
G alpha (12/13) signalling events TAS Reactome
NRAGE signals death through JNK TAS Reactome
Rho GTPase cycle TAS Reactome





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